Răspuns :
a,b=nr necunoscute
a=3xb+1
a+b=89
3b+1+b=89
4b=88
4 b=88:4=22
a=89-22
a=67
a=3xb+1
a+b=89
3b+1+b=89
4b=88
4 b=88:4=22
a=89-22
a=67
a |-----|-----|-----|1|
b |-----| } 89.
89 - 1 = 88 ( 4 segmente egale)
88 : 4 = 22 (b)
22 × 3 +1 = 67 (a)
Verificare : 67 + 22 = 89 .
b |-----| } 89.
89 - 1 = 88 ( 4 segmente egale)
88 : 4 = 22 (b)
22 × 3 +1 = 67 (a)
Verificare : 67 + 22 = 89 .